The Church of the Savior on Spilled Blood (Russian: Церковь Спаса на Крови, Tserkovʹ Spasa na Krovi) is one of the main sights of St. Petersburg, Russia. Other names include the Church on Spilled Blood (Russian: Церковь на Крови, Tserkov’ na Krovi), the Temple of the Savior on Spilled Blood (Russian: Храм Спаса на Крови, Khram Spasa na Krovi), and the Cathedral of the Resurrection of Christ (Russian: Собор Воскресения Христова, Sobor Voskreseniya Khristova).

This Church was built on the site where Emperor Alexander II was fatally wounded in March 1881.The church was built between 1883 and 1907. The construction was funded by the imperial family.

Saint Isaac's Cathedral or Isaakievskiy Sobor (Russian: Исаа́киевский Собо́р) in Saint Petersburg, Russia is the largest Russian Orthodox cathedral (sobor) in the city. It is the largest orthodox basilica and the fourth largest (by the volume under the cupola) cathedral in the world. It is dedicated to Saint Isaac of Dalmatia, a patron saint of Peter the Great, who had been born on the feast day of that saint.

The Moyka River (Russian: Мо́йка) is a small river in Russia that encircles the central portion of Saint Petersburg, effectively making it an island. The river, originally known as Mya, derives its name from the Ingrian word for "slush" or "mire". It is 5 kilometres (3 mi) long and 40 metres (130 ft) wide.

Saint Isaac's Cathedral or Isaakievskiy Sobor (Russian: Исаа́киевский Собо́р) in Saint Petersburg, Russia is the largest Russian Orthodox cathedral (sobor) in the city. It is the largest orthodox basilica and the fourth largest (by the volume under the cupola) cathedral in the world. It is dedicated to Saint Isaac of Dalmatia, a patron saint of Peter the Great, who had been born on the feast day of that saint.

The Moyka River (Russian: Мо́йка) is a small river in Russia that encircles the central portion of Saint Petersburg, effectively making it an island. The river, originally known as Mya, derives its name from the Ingrian word for "slush" or "mire". It is 5 kilometres (3 mi) long and 40 metres (130 ft) wide.

Kazan Cathedral or Kazanskiy Kafedralniy Sobor (Russian: Каза́нский кафедра́льный собо́р), also known as the Cathedral of Our Lady of Kazan, is a cathedral of the Russian Orthodox Church on the Nevsky Prospekt in Saint Petersburg. It is dedicated to Our Lady of Kazan, probably the most venerated icon in Russia.